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Bug 7823 - trouble mounting XENIX filesystem
trouble mounting XENIX filesystem
Product: Red Hat Linux
Classification: Retired
Component: kernel (Show other bugs)
i386 Linux
medium Severity medium
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Assigned To: Pete Zaitcev
Depends On:
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Reported: 1999-12-15 19:27 EST by Stephen Duame
Modified: 2008-05-01 11:37 EDT (History)
0 users

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2002-06-04 14:40:11 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Stephen Duame 1999-12-15 19:27:59 EST
Date: 12-13-99
Problem: mounting XENIX partition

I have been unable to mount my XENIX partition.  I have an IDE HD with a
SCO XENIX 2.3.4 partition taking up the full disk (240MB).
If the XENIX HD is installed on the primary/master IDE it will boot and
run successfully.  If a fsck is run on the filesystem there are no errors.

On my Linux system I have a primary/master HD partitioned with win98 (2GB)
and Linux (8GB) and a CD on the secondary/master and everything works fine.
All attempts to mount the XENIX HD (secondary/slave) in the Linux system
have been unsuccessful.

Linux boot does recognize the XENIX HD (on hdd) as shown below:

# dmesg | grep hd

    ide0: BM-DMA at 0xf000-0xf007, BIOS settings: hda:pio, hdb:pio
    ide1: BM-DMA at 0xf008-0xf00f, BIOS settings: hdc:pio, hdd:pio
hda: WDC WD102BA, ATA DISK drive
hdc: 36X CD-ROM, ATAPI CDROM drive
hdd: QUANTUM LP240A GM240A01X, ATA DISK drive
hda: WDC WD102BA, 9779MB w/1961kB Cache, CHS=1246/255/63
hdd: QUANTUM LP240A GM240A01X, 234MB w/256kB Cache, CHS=723/13/51
hdc: ATAPI 24X CD-ROM drive, 128kB Cache
 hda: hda1 hda2 < hda5 hda6 hda7 >
 hdd: hdd4

and fdisk recognizes the XENIX partition hdd4:

# fdisk -l /dev/hdd

Disk /dev/hdd: 13 heads, 51 sectors, 723 cylinders
Units = cylinders of 663 * 512 bytes

   Device Boot    Start       End    Blocks   Id  System
/dev/hdd4   *         1       722    239317+   2  XENIX root

XENIX is listed in the RedHat Linux 6.1 Reference Guide page 460
as a supported partiton type.  if I understand correctly, XENIX
has been merged into the Sys V loadable module (sysv).
But the mount command generates the error below:

# mount -t sysv /dev/hdd4 /mnt/sysv

VFS: unable to read Xenix/SystemV/Coherent superblock on device 16:44
mount: wrong fs type, bad option, bad superblock on /dev/hdd4,
       or too many mounted file systems

I spoke to Dave Cook at RedHat tech support, he was very knowledgeable
and we tried several things but to no avail.  He suggested I enter
a bugzilla report which I am doing now.  I hope you can help.

Stephen Duame
Comment 1 Bernhard Rosenkraenzer 1999-12-17 09:44:59 EST
The mount command is correct, and mount seems to be doing the right thing.
Looks like a bug in sysv support in the kernel - reassigning.
Comment 2 Cristian Gafton 2000-01-04 17:26:59 EST
Assigned to dledford
Comment 3 Brent R Brian 2000-01-05 11:47:59 EST
I have the same, exact, problem. RH6.1 with Xenix 2.3.4,
same error message.

I am running ADM486-100, 64M RAM, FIC 486/PCI Motherboard.

Brent R Brian, Brian Enterprises
Comment 4 Pete Zaitcev 2002-06-04 14:40:05 EDT
Found this ancient bug in the Bugzilla cleanup, taking.
Is there an interest still? We are on release 7.2 now.
The last 6.x supported is 6.2.

Comment 5 Pete Zaitcev 2002-07-01 13:32:19 EDT
I spoke with sysv maintainer Christoph Hellwig (hch),
and he is generally available. Closing the bug as stale,
reopen if there's an actual interest and if a current
release can reproduce the problem. Then I'll take it up
with Christoph.

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